/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
enumerable object for valid vertex indices suitable for use with range-based for, ie for ( int i :VertexIndicesItr())
[vertex_iterator](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3\vertex_iterator) VertexIndicesItr() const